Circular cutting blade



FIG. 1 is a front elevational view of the circular cutting blade showingour new design;

FIG. 2 is a side view thereof, the opposite side view being identicalthereof;

FIG. 3 is a rear elevational view of the circular cutting blade shown inFIG. 1; and,

FIG. 4 is a cross-sectional view thereof, taken in the direction of line4--4 of FIG. 1.

The broken line illustration of the central aperture is for illustrativepurposes only and forms no part of the claimed design.

The ornamental design for a circular cutting blade, as shown anddescribed.